#include <stdio.h>

//int int2bin (int d);
int test(int x, int y);

int main (int a) {
    printf("%d\n", test(1,0));
    printf("%d\n", test(0,1));
    printf("%d\n", test(0,0));
    printf("%d\n", test(1,1));
    printf("%d\n", test(3,5));
    printf("%d\n", test(4,0));
    return 0;
}